115412173 has 2 divisors, whose sum is σ = 115412174. Its totient is φ = 115412172.

The previous prime is 115412161. The next prime is 115412189. The reversal of 115412173 is 371214511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115390564 + 21609 = 10742^2 + 147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115412173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115412153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57706086 + 57706087.

It is an arithmetic number, because the mean of its divisors is an integer number (57706087).

Almost surely, 2^115412173 is an apocalyptic number.

It is an amenable number.

115412173 is a deficient number, since it is larger than the sum of its proper divisors (1).

115412173 is an equidigital number, since it uses as much as digits as its factorization.

115412173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 115412173 is about 10743.0057711983. The cubic root of 115412173 is about 486.8746984409.

Adding to 115412173 its reverse (371214511), we get a palindrome (486626684).

The spelling of 115412173 in words is "one hundred fifteen million, four hundred twelve thousand, one hundred seventy-three".